Re: Link error

[Luis Silva]

Hi!

Just did a quick test and got that error if no -lresolv, but worked with -lresolv:


root@d51a50239a48:~# g++ main.cc -I /usr/include/mysql-cppconn-8/ -lmysqlcppconn8-static -lssl -lcrypto -lpthread
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/libmysqlcppconn8-static.a(libcdk_foundation_socket_detail.cc.o): in function `cdk::foundation::connection::detail::srv_list(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
(.text+0x9b2): undefined reference to `__res_nsearch'
/usr/bin/ld: (.text+0x9fa): undefined reference to `ns_initparse'
/usr/bin/ld: (.text+0xa5a): undefined reference to `ns_parserr'
/usr/bin/ld: (.text+0xac8): undefined reference to `__dn_expand'
collect2: error: ld returned 1 exit status
root@d51a50239a48:~# g++ main.cc -I /usr/include/mysql-cppconn-8/ -lmysqlcppconn8-static -lssl -lcrypto -lpthread -lresolv
root@d51a50239a48:~#


Have you installed the 20.04 connector?

can you post the full command line?

PS: tested on a docker image, so basically the same environment...